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Tuber aztecorum sp. nov., a truffle species from Mexico belonging to the Maculatum clade (Tuberaceae, Pezizales).

ABSTRACT: A new species of truffle, T. aztecorum, is described from central Mexico. Tuber aztecorum can be distinguished from other related Tuber species synoptically by a combination of morphological features including ascospore size, pellis cells with irregular thickness, cystidia, ascoma colour and associated host (Abies religiosa an endemic Abies species from central Mexico); sequence variation on the ITS rDNA also distinguishes T. aztecorum from related species. A phylogenetic analysis of the ITS rDNA demonstrates that T. aztecorum belongs to the Maculatum clade and is unique from other similar small, white-cream coloured Tuber species distributed in north-eastern Mexico such as T. castilloi and T. guevarai.

SUBMITTER: Guevara-Guerrero G 

PROVIDER: S-EPMC5904530 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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<i>Tuber aztecorum</i> sp. nov., a truffle species from Mexico belonging to the Maculatum clade (Tuberaceae, Pezizales).

Guevara-Guerrero Gonzalo G   Bonito Gregory G   Smith Matthew E ME   Healy Rosanne R   Grupe Arthur C AC   Cázares Efrén E   Castellano Michael A MA   Trappe James M JM  

MycoKeys 20180228 30

A new species of truffle, <i>T. aztecorum</i>, is described from central Mexico. <i>Tuber aztecorum</i> can be distinguished from other related <i>Tuber</i> species synoptically by a combination of morphological features including ascospore size, pellis cells with irregular thickness, cystidia, ascoma colour and associated host (<i>Abies religiosa</i> an endemic <i>Abies</i> species from central Mexico); sequence variation on the ITS rDNA also distinguishes <i>T. aztecorum</i> from related speci  ...[more]

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